You may wake to cold and dry conditions then encounter an unexpected shower later in the day and so when you're mountain biking you need the versatile kit to combat fickle conditions - enter the Attack Thermo Jersey. To the front Fox use a 4-way stretch water resistant and windproof material with a bonded fleece inner to lock in heat and keep out moisture. Meanwhile, the back and arms are highly breathable to prevent overheating and to ensure sweat can't chill you from the inside, here a DWR treatment is also used to shed water and mud. Read more… Of course, it's no good being wrapped up and cosy if you can't then move freely, but with the Rider Attack Position (RAP) patterning this jacket gives you maximum freedom of movement to tackle any terrain. Should you find yourself overheating then the full-length front zipper opens up to reveal a breathable stretch mesh panel for ventilation and it's offset so works brilliantly with outer layers too. Choices, choices, choices, what to wear for a day of autumn or spring mountain biking is always a conundrum. With the Attack Thermo Jersey, you have a versatile garment to take on ever-changing weather conditions and make the choice as to what to wear a little bit easier.